_____________ added the Handicapping Principle' to the runaway sexual selection theory:
a. R.A. Fisher.
b. Zahakis.
c. Robert Trivers.
d. Herdy.
Question 2
In relationships, when it comes to jealousy, women are more concerned with?
a. Social status.
b. Money.
c. Emotional infidelity.
d. Sexual infidelity.